#define _CRT_SECURE_NO_WARNINGS 1

#include <stdio.h>

int main()
{
	char ch, ch1, ch2;
	scanf("%c\n%c\n%c", &ch, &ch1, &ch2);
	printf("%c\n%c\n%c", ch - 32, ch1 - 32, ch2 - 32);
	return 0;
}